So Union RD over Stream
GoodMcHenry County, Illinois · 0.3 N Adamson RD · Structure no. 056321000000000
- Built
- 1964
- 61 years old
- Condition
- Good
- inspected August 2023
- Type
- Culvert
- Steel
- Length
- 27 ft
- 3 main spans
- Daily traffic
- 200
- 2021 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
So Union RD over Stream is a steel culvert carrying So Union RD over Stream in McHenry County, Illinois. It was built in 1964, so it is 61 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 200 vehicles a day, roughly 7% of them trucks, projected to reach 240 by 2046. The structure is 27 ft (8.2 m) long and 65 ft wide. If it were closed, the detour would be 6.2 mi (10 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Channel and channel protection | 5 Fair | All primary structural elements are sound but may have minor section loss, cracking, spalling or scour. |
| Culvert | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was So Union RD over Stream built?
It was built in 1964, making it 61 years old in 2025.
What condition is So Union RD over Stream in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.
How much traffic does So Union RD over Stream carry?
About 200 vehicles per day (2021 count), of which roughly 7% are trucks.
How long is So Union RD over Stream?
The structure is 27 ft (8.2 m) long with a longest span of 8 ft (2.4 m) and a deck 65 ft wide.
Who owns So Union RD over Stream?
It is owned by the City or Municipal Highway Agency.